@codercy1995/cy-cli/lib/command/build.js

const path = require('path');
const execa = require('execa');

module.exports = function () {
    let execPath = path.join(__dirname, '../scripts/build.js');
    const childProcess = execa('node', [execPath]);

    childProcess.stdout.on('data', (buffer) => {
        process.stdout.write(buffer);
    });
};